Inventor

Robert E. Fowler

Inventor

Houston, TX, US

Overview

1980–2020

Patent span

Mechanical engineering

Primary field (CPC F)

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

Y10Tprimary

Y10TTechnical subjects covered by former us classification18%

B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling9%

B65CLabelling or tagging machines, apparatus, or processes9%

F15BSystems acting by means of fluids in general9%

F16HGearing9%

F16KValves9%

G01DMeasuring not specially adapted for a specific variable9%

G01FMeasuring volume, volume flow, mass flow or liquid level9%

G01RMeasuring electric variables9%

LOC239%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1980Patents assigned to E SYSTEMS INC (1)· patent assignee history

1980Based in St. Petersburg, FL, US· patent location history

1984Based in Newcastle, CA, US· patent location history

1992Patents assigned to FOWLER ROBERT E (1)· patent assignee history

1992Based in Deerfield, IL, US· patent location history

2001Patents assigned to COOPER TECHNOLOGIES CO (2)· patent assignee history

2001–2020Based in Houston, TX, US· patent location history

2019–2020Patents assigned to NATURAL GAS SOLUTIONS NORTH AMERICA LLC (3)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NATURAL GAS SOLUTIONS NORTH AMERICA LLC	3	2019–2020
COOPER TECHNOLOGIES CO	2	2001
E SYSTEMS INC	1	1980
FOWLER ROBERT Eself	1	1992

Locations